30138242365 has 32 divisors (see below), whose sum is σ = 45445054464. Its totient is φ = 18639512640.

The previous prime is 30138242357. The next prime is 30138242369. The reversal of 30138242365 is 56324283103.

It is not a de Polignac number, because 30138242365 - 2³ = 30138242357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30138242369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259299 + ... + 357088.

It is an arithmetic number, because the mean of its divisors is an integer number (1420157952).

Almost surely, 2^30138242365 is an apocalyptic number.

30138242365 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30138242365 is a deficient number, since it is larger than the sum of its proper divisors (15306812099).

30138242365 is a wasteful number, since it uses less digits than its factorization.

30138242365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616537.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 30138242365 in words is "thirty billion, one hundred thirty-eight million, two hundred forty-two thousand, three hundred sixty-five".